
def inputDemo():
    x = input("input a int num(0-100) \n")
    print("x=%d \n" % int(x))

    y = input("input a float num(0.0-100.0) \n")
    print("y=%f \n" % float(y))

    str = input("input a string \n")
    print("str=%s \n" % str)

def main():
    inputDemo()

if __name__ == "__main__":
    main()